EP0867979A1 - Elektrischer Steckverbinder - Google Patents

Elektrischer Steckverbinder Download PDF

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Publication number
EP0867979A1
EP0867979A1 EP98105506A EP98105506A EP0867979A1 EP 0867979 A1 EP0867979 A1 EP 0867979A1 EP 98105506 A EP98105506 A EP 98105506A EP 98105506 A EP98105506 A EP 98105506A EP 0867979 A1 EP0867979 A1 EP 0867979A1
Authority
EP
European Patent Office
Prior art keywords
conductive means
insulative body
electrical connector
section
resilient section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98105506A
Other languages
English (en)
French (fr)
Other versions
EP0867979B1 (de
Inventor
Randolph A.E.M. Semmeling
Andrew G. Meller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Berg Electronics Manufacturing BV
Original Assignee
Berg Electronics Manufacturing BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Berg Electronics Manufacturing BV filed Critical Berg Electronics Manufacturing BV
Publication of EP0867979A1 publication Critical patent/EP0867979A1/de
Application granted granted Critical
Publication of EP0867979B1 publication Critical patent/EP0867979B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7076Coupling devices for connection between PCB and component, e.g. display
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147Assembling terminal to base
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49124On flat or curved insulated base, e.g., printed circuit, etc.
    • Y10T29/49147Assembling terminal to base
    • Y10T29/49149Assembling terminal to base by metal fusion bonding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49204Contact or terminal manufacturing
    • Y10T29/49208Contact or terminal manufacturing by assembling plural parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49204Contact or terminal manufacturing
    • Y10T29/49208Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49217Contact or terminal manufacturing by assembling plural parts by elastic joining
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49204Contact or terminal manufacturing
    • Y10T29/49208Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49222Contact or terminal manufacturing by assembling plural parts forming array of contacts or terminals

Definitions

  • the electrical connector of the present invention includes an insulative body comprising a first portion and a second portion extending generally perpendicularly from the first second portion.
  • the connector also includes a conductive means comprising a retention section and a resilient section. The conductive means is retained by the second portion of the insulative body and the resilient section extending adjacent the first portion of the insulative body.
  • the connector may be interposed between a planar electrical device and a printed circuit board.
  • the invention will be described in the context of a connector specifically adapted for electrically connecting planar electrical devices, such as LCD's, to another circuit board. However, the invention is believed to have applicability in other connectors.
  • Fig. 1 shows a connector 10 having a body 12 formed of a molded polymeric insulating material.
  • the body 12 includes a vertically extending leg portion 14 and a generally horizontally extending top portion 16.
  • the connector also includes a plurality of suitable conductive metal terminals 18, preferably formed by stamping.
  • Each terminal 18 includes a cantilevered spring contact portion 20 for engaging an electrical device, as will later be described.
  • Terminals 18 further include a retention portion 22 (Fig. 5), where the terminal 18 is retained in the body 12.
  • Each terminal further includes a downwardly extending resilient beam portion 24 extending along the rear of the body 12.
  • the portion 24 generally forms a Euler's Beam structure.
  • a PCB contact portion 26 for engaging contact pads on a printed circuit board, as will later be explained.
  • the PCB contact section 26 is formed as a curved surface having an outside radius that contacts the printed circuit board. Adjacent the contact portion 26 is an opposed pair of retention ears 28 and 30 (Fig. 7), the upper portions 29 and 31 (Fig. 6) of which are bent inwardly to form radiused surfaces, such as surface 32 (Fig. 8d).
  • grooves 34 are formed in the back of the housing 12 for receiving the portions 24 of beams 18. Additionally, undercut portions 36 are formed in opposing relationship in each groove 34. The undercut portions 36 form shoulder surfaces 38 that are designed to engage the surfaces 32 of terminal 18, as will later be described.
  • Fig 8a the connector 10 is shown in a intermediate stage of manufacture.
  • an array of terminals 18 in coplanar, side-by-side relationship may be formed by stamping from terminal sheet stock.
  • the ends of the terminals 18 have been preliminarily bent to form the contact portion 21 of the cantilevered spring arm 20 and the printed circuit board contact portion 26.
  • the connector body 12 is preferably formed by overmolding or insert molding the connector body 12 onto the array of terminals 18, so that the terminals are securely held in the body 12.
  • the cantilevered spring portion 20 has been formed by bending.
  • the beam portion 24 is formed by applying a force in the direction of arrow F1 at or near the tip of the section 24 to bend the section 24 about a bend radius formed generally in the area of region 39.
  • force F1 is maintained on the end of the beam 24.
  • a force F2 is applied to the mid-section of the beam to extend the length of the beam to position the tip section 26 toward the dotted line position shown in Figs. 8c and 8d.
  • the surface 32 of each of the ears 28, 30 is positioned in general alignment with the shoulder surfaces 38. After the force F2 is removed, the beam retracts so that the surfaces 32 of the ears 28, 30 are retained against the shoulder surfaces 38. In this manner, the portion 26 is located and a desired amount of preload is imparted on it.
  • the terminal section 24 operates generally in the manner of a Euler's buckling beam whereby, as the beam is buckled, it changes length. That is, when a force the direction of arrow F2 is applied, the beam lengthens in the direction of arrow L1. Conversely, when the force F2 is removed, the spring force in the beam returns the beam to its original shape, thereby shortening the length of the beam and raising the contact section 26 toward the connector body 12.
  • Fig. 8e shows the connector 10 substantially in a rest position, with the printed circuit board contact portion 26 extending beneath the housing.
  • Fig. 8f shows the connector in mated condition, wherein a force in the direction of arrow F3 holds the connector 10 against the substrate 40 causing the beam 24 to be buckled. The resulting deflection generates a normal force pressing contact portion 26 against PCB 40.
  • a force applied in the direction of arrow F4 to the LCD 42 causes the contact section 20 to deflect, thereby generating a normal force pressing contact portion 21 against LCD 42.
  • a frame 44 is provided to support the LCD 42 and the connector 10.
  • the LCD 42 is supported on portions (not shown) of the frame 44 and the connector 10 is inserted into the frame 44 by pushing the leg 14 of the connector through an aperture or recess in the frame 44.
  • a force in the direction of arrow F6 is placed on the connector 10 to insert the connector into the frame.
  • a retention tang 46 formed on the back of the connector body 12 is forced past the retention edge 48 of the opening.
  • the cantilevered beam contact 20 and the buckling beam 24 are deflected to a maximum extent, as the bottom edge of the connector is pressed against the surface of the printed circuit board 40.
  • FIG. 9d shows the final mated position of the connector 10 wherein the retention tang 46 is retained against the surface 48 and the connector 10 has moved upward slightly away from the PCB 40, as a result of the spring force in beam 24.
  • the printed circuit board contact portion 26 undergoes a wiping and rolling action during this operation, to effect proper electrical connection with contact pads on PCB 40. This occurs as a result of the imposition of a vertical force on the beam section 24, which causes the section 26 to move along the surface of PCB 40 in the direction of arrow F5 (Fig. 9a). As this occurs, the contact portion 26 also rotates about a contact point between radius 32 and shoulder surface 38.
  • the connector disclosed has many advantages.
  • the Euler's buckling beam arrangement provides a relatively long spring travel using only a small area of the footprint of the connector. It also provides simplified locating and pre-loading of the contact portion 26. It further allows a contact wiping and cleaning action, thereby providing good contact. Further, this approach eliminates the need for conductive elastomeric members between the connector and the PCB.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
EP98105506A 1997-03-26 1998-03-26 Elektrischer Steckverbinder Expired - Lifetime EP0867979B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US4236097P 1997-03-26 1997-03-26
US42360P 1997-03-26
US09/001,971 US6155844A (en) 1997-03-26 1997-12-31 Electrical connector for mounting a panel-like device on a printed board
US1971 1997-12-31

Publications (2)

Publication Number Publication Date
EP0867979A1 true EP0867979A1 (de) 1998-09-30
EP0867979B1 EP0867979B1 (de) 2002-07-03

Family

ID=26669743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98105506A Expired - Lifetime EP0867979B1 (de) 1997-03-26 1998-03-26 Elektrischer Steckverbinder

Country Status (5)

Country Link
US (2) US6155844A (de)
EP (1) EP0867979B1 (de)
JP (1) JPH10326652A (de)
DE (1) DE69806296T2 (de)
SG (1) SG74046A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0984454A2 (de) * 1998-09-02 2000-03-08 International Business Machines Corporation Verbinder für Festplattenlaufwerk
WO2000054373A1 (en) * 1999-03-09 2000-09-14 Koninklijke Philips Electronics N.V. Display device
KR100417109B1 (ko) * 2001-06-16 2004-02-05 한국몰렉스 주식회사 컴퓨터 하드디스크의 모터 구동신호용 커넥터

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6826616B2 (en) 1998-10-30 2004-11-30 Science Applications International Corp. Method for establishing secure communication link between computers of virtual private network
US6758702B2 (en) * 2000-02-24 2004-07-06 Fci Americas Technology, Inc. Electrical connector with compression contacts
US20020076990A1 (en) * 2000-12-15 2002-06-20 Sumitomo Wiring Systems Ltd. Apparatus for processing a stacked-type connector of a wire harness, a housing holder, apparatus and method and for stacking housings of a stacked-type connectors, and apparatus for pressing a joint portion of stacked-type connector
US6406305B1 (en) * 2001-04-20 2002-06-18 Hon Hai Precision Ind. Co., Ltd. Electrical connector having compression terminal module therein
DE10139577C1 (de) * 2001-08-10 2002-12-19 Freudenberg Carl Kg Elektrisches Gerät mit einer Wandung aus Kunststoff, umfassend zumindest einen flexiblen Leiter, sowie ein Verfahren zur Herstellung eines solchen elektrischen Geräts
US6842333B2 (en) * 2001-09-13 2005-01-11 Lg Electronics, Inc. Portable electronic device having LCD and touch screen
TW540862U (en) * 2002-05-24 2003-07-01 Molex Inc Battery connector
KR100839163B1 (ko) * 2002-12-04 2008-06-17 삼성전자주식회사 평판표시장치
JP3800536B2 (ja) * 2002-12-06 2006-07-26 Tdk株式会社 モジュラジャック
DE10260241B4 (de) * 2002-12-20 2013-05-08 Continental Automotive Gmbh Kontaktierungsbauteil und Verfahren zur Herstellung eines Kontaktierungsbauteils
JP4258432B2 (ja) * 2004-05-21 2009-04-30 パナソニック株式会社 基板接合部材ならびにそれを用いた三次元接続構造体
US7402048B2 (en) * 2006-03-30 2008-07-22 Intel Corporation Technique for blind-mating daughtercard to mainboard
US7297005B1 (en) * 2006-06-27 2007-11-20 Molex Incorporated Connector pedestal
DE502006002455D1 (de) * 2006-10-25 2009-02-05 Sick Ag Vorrichtung zur elektrischen Kontaktierung
US7549869B1 (en) * 2008-06-12 2009-06-23 Cheng Uei Precision Industry Co., Ltd. Connector
JP2018037282A (ja) * 2016-08-31 2018-03-08 富士通株式会社 コンタクト及びコネクタ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738625A (en) * 1986-09-29 1988-04-19 Bell Telephone Laboratories, Inc. Electrical connectors for circuit panels
EP0756355A1 (de) * 1995-07-28 1997-01-29 Itt Composants Et Instruments Elektrischer Steckverbinder zur Verbindung mit den Kontakten einer integrierten gedruckten Schaltung

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US3551750A (en) * 1969-04-21 1970-12-29 Hugh H Eby Co Circuit board connector
US3631380A (en) * 1970-03-19 1971-12-28 Patrick A Bohn Universal circuit board connector
US3715706A (en) * 1971-09-28 1973-02-06 Bendix Corp Right angle electrical connector
US4003625A (en) 1975-04-18 1977-01-18 Bunker Ramo Corporation Electrical connector for data display
US4057311A (en) * 1976-11-11 1977-11-08 Amp Incorporated Elastomeric connector for parallel circuit boards
US4185882A (en) 1978-07-14 1980-01-29 Teledyne Industries, Inc. Electrical connector for printed circuit boards or the like
US4357061A (en) 1980-02-28 1982-11-02 Beckman Instruments, Inc. Electro-mechanical package of visual display and related circuitry
JPS5927485A (ja) 1982-08-09 1984-02-13 ソニー株式会社 基板用コネクタの製造方法
US5259769A (en) * 1992-09-29 1993-11-09 Molex Incorporated Electrical connector with preloaded spring-like terminal with improved wiping action
US5358412A (en) 1993-04-26 1994-10-25 Eastman Kodak Company Method and apparatus for assembling a flexible circuit to an LCD module
US5520545A (en) * 1994-11-21 1996-05-28 The Whitaker Corporation Variable orientation, surface mounted hermaphroditic connector
US5722861A (en) * 1996-02-28 1998-03-03 Molex Incorporated Electrical connector with terminals of varying lengths
US6003226A (en) * 1997-05-14 1999-12-21 Molex Incorporated Method for manufacturing electrical connectors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4738625A (en) * 1986-09-29 1988-04-19 Bell Telephone Laboratories, Inc. Electrical connectors for circuit panels
EP0756355A1 (de) * 1995-07-28 1997-01-29 Itt Composants Et Instruments Elektrischer Steckverbinder zur Verbindung mit den Kontakten einer integrierten gedruckten Schaltung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"High Preload buckling beam contact for mezzanine Connector", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 37, no. 06a, June 1994 (1994-06-01), ARMONK, NY, US, pages 279 - 280, XP000455770 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0984454A2 (de) * 1998-09-02 2000-03-08 International Business Machines Corporation Verbinder für Festplattenlaufwerk
EP0984454A3 (de) * 1998-09-02 2001-06-20 International Business Machines Corporation Verbinder für Festplattenlaufwerk
US6433956B1 (en) 1998-09-02 2002-08-13 International Business Machines Corporation Cordless compression motor connector for a hard disk drive
WO2000054373A1 (en) * 1999-03-09 2000-09-14 Koninklijke Philips Electronics N.V. Display device
KR100417109B1 (ko) * 2001-06-16 2004-02-05 한국몰렉스 주식회사 컴퓨터 하드디스크의 모터 구동신호용 커넥터

Also Published As

Publication number Publication date
US6253451B1 (en) 2001-07-03
EP0867979B1 (de) 2002-07-03
JPH10326652A (ja) 1998-12-08
DE69806296D1 (de) 2002-08-08
SG74046A1 (en) 2000-07-18
US6155844A (en) 2000-12-05
DE69806296T2 (de) 2003-02-27

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